#include<bits/stdc++.h>
using namespace std;
int n,r[100001];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);

    cin >> n;
    for(int i = 0;i < n;i++){
        //cin >> r;












































































































































































































































































    }


    return 0;
}
